3RT20371NB301AA0
The Siemens 3RT2037-1NB30-1AA0 contactor is a SIRIUS 3RT2 series S2 size 3-pole AC-3 rated current 65A, 30kW (400V), coil voltage 20-33VAC, equipped with 1NO+1NC auxiliary contacts, and the main circuit uses screw terminal mounting.
Product Positioning
The Siemens 3RT2037-1NB30-1AA0 contactor is a SIRIUS 3RT2 series S2 size, 3-pole design, AC-3 rated current 65A, 30kW (400V), and its main circuit specifications are the same as the 3RT2037 model in the same series. The Siemens 3RT2037-1NB30-1AA0 has a wide coil voltage range of 20-33VAC, is equipped with 1 NO + 1 NC auxiliary contacts, and uses screw terminal mounting for the main circuit. It is suitable for control circuits that require direct drive of the contactor with low-voltage, wide-range signals.
Core Product Advantages and Features
S2 size 3-pole main contactor
The AC-3 has a rated current of 65A and a power of 30kW (400V), and shares the main circuit with the 3RT2037 series.
20-33VAC wide voltage coil
It can accommodate various control circuit voltage sources, simplifying the selection and design process.
1NO+1NC auxiliary contact
Provides basic interlocking and operational status feedback signals.
Screw terminal installation
The main circuit uses screw terminals for wiring, making maintenance and construction convenient.
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The Siemens 3RT2037-3NB30 contactor, part of the SIRIUS 3RT2 series, is a 2- or 3-pole contactor with AC-3 rated capacity of 65A and 30kW (400V). It features a 20-33VAC/DC coil with built-in surge suppression, 1NO+1NC contacts, and spring terminals for the control circuit.
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